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Let’s be honest—no one likes surprise fees. Especially not the kind that show up weeks after your container’s been delivered, quietly eating into your margins.
If you’ve ever stared at a demurrage invoice wondering, “Wait, what even is this?”—you’re not alone. And if you’ve ever asked, “Do you calculate demurrage?” with a sigh and a spreadsheet in hand, well, we’ve got something to talk about.
Think of demurrage as the late fee of the shipping world. When your container sits at the port longer than the “free time” allowed by the carrier, you start racking up charges—daily. It’s like paying rent on a parking spot you’re not even using anymore. And detention? That’s the fee for holding onto the container too long after it’s been picked up. Two sides of the same coin, both equally annoying.
Now, here’s the kicker: these charges aren’t just a few bucks. Depending on the port, carrier, and how long the delay drags on, demurrage can cost hundreds—sometimes thousands—per container. Multiply that across a few shipments, and suddenly your profit margin’s looking a little anemic.
Freight forwarders, importers, retailers—everyone’s feeling the pinch. Global congestion, customs delays, and unpredictable port operations have made demurrage a recurring nightmare. And let’s not even get started on the ripple effects of trade disputes or strikes. It’s like playing chess in a windstorm—every move feels reactive.
But here’s the thing: while you can’t control the weather or a customs backlog, you can control how prepared you are. That’s where smart tools come in.
Let’s be real—manually calculating demurrage is a pain. You’re juggling free time windows, carrier-specific rules, port holidays, and rate tiers. One wrong formula in Excel and boom—surprise invoice. That’s why platforms like CocoonDEM are changing the game.
CocoonDEM isn’t just a calculator—it’s a full-blown demurrage and detention management system. It tracks your containers in real time, flags when free time is about to expire, and gives you a clear view of potential charges before they hit your inbox. No more guesswork. No more “I thought we had two more days.”
Glad you asked. Here’s what sets it apart:
Glad you asked. Here’s what sets it apart:
And it’s not just for UK-based operations. Whether you’re shipping through Rotterdam, Long Beach, or Singapore, CocoonDEM helps you stay ahead of the curve
Let’s do some napkin math. Say you’re hit with £150/day in demurrage. One container sits for five extra days. That’s £750. Now multiply that by 10 containers a month. That’s £7,500—gone. And that’s just demurrage. Add detention, and you’re looking at a serious dent in your bottom line.
Now imagine avoiding even half of that with a tool that costs a fraction of what you’re losing. That’s not just worth it—it’s a no-brainer.
Here’s a little industry truth: demurrage isn’t going away. In fact, it’s becoming more aggressive. Carriers are tightening rules, ports are getting stricter, and delays are more common than ever. The old “we’ll deal with it later” approach? It’s not cutting it anymore.
And with sustainability and Scope 3 emissions reporting creeping into logistics conversations, efficiency isn’t just about money—it’s about reputation, compliance, and long-term viability.
If you’re still asking, “Do you calculate demurrage?”—it’s time to stop. Let CocoonDEM do it for you. Whether you’re a freight forwarder juggling dozens of shipments or a retailer trying to keep shelves stocked without bleeding cash, this tool gives you the visibility and control you’ve been missing.
But if you’re ready to stop reacting and start managing, CocoonDEM is where you want to be.
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